LIX issues Heat Advisory valid at Aug 19, 11:00 AM CDT for 18 forecast zones in [LA] and 5 forecast zones in [MS] till Aug 19, 8:00 PM CDT716
WWUS74 KLIX 181614
NPWLIX
URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
1114 AM CDT Tue Aug 18 2026
LAZ057-058-064-076>087-092-098>100-MSZ083>088-190615-
/O.NEW.KLIX.HT.Y.0021.260819T1600Z-260820T0100Z/
/O.CON.KLIX.XH.W.0007.000000T0000Z-260819T0100Z/
St. James-St. John The Baptist-Upper St. Bernard-Southeast St.
Tammany-Western Orleans-Eastern Orleans-Northern St. Tammany-
Southwestern St. Tammany-Central Tangipahoa-Lower Tangipahoa-
Northern Livingston-Southern Livingston-Western Ascension-Eastern
Ascension-Upper Jefferson-Central Jefferson-Upper St. Charles-
Central St. Charles-Lower St. Charles-Northern Hancock-Northern
Harrison-Northern Jackson-Southern Hancock-Southern Harrison-
Southern Jackson-
Including the cities of Lyman, Meraux, Reserve, Ponchatoula, Harahan,
Metairie, Tickfaw, Slidell, Hahnville, Donaldsonville, Covington,
Kenner, Luling, Gretna, Folsom, Escatawpa, Convent,
Saucier, Pascagoula, New Orleans, Sorrento, Bay St. Louis,
Pearlington, Pass Christian, Westwego, Moss Point, Mandeville,
Whitehall, Kiln, Sellers, Lafitte, Gulfport, Hammond, Barataria,
Bush, Bonnet Carre Spillway, Gonzales, Laplace, Montz, Springfield,
Prairieville, Geismar, Vancleave, Akers, Robert, French Settlement,
Chalmette, Waveland, Gautier, Gramercy, Madisonville, Destrehan,
Necaise, Lutcher, Wade, Independence,
Norco, Denham Springs, St. Martin, Ocean Springs, Livingston,
Diamondhead, Killian, Long Beach, Boutte, Violet, Acy, Marrero, East
New Orleans, Walker, Jean Lafitte, and Biloxi
1114 AM CDT Tue Aug 18 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT WEDNESDAY...
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with heat index values up to 112. For the Heat Advisory, heat index
values up to 110 expected.
* WHERE...Portions of southeast Louisiana and southern Mississippi.
* WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening.
For the Heat Advisory, from 11 AM to 8 PM CDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events. Hot temperatures and high
humidity may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
LAZ089-190100-
/O.CON.KLIX.XH.W.0007.000000T0000Z-260819T0100Z/
Upper Plaquemines-
Including the cities of Belle Chasse
1114 AM CDT Tue Aug 18 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
* WHAT...Dangerously hot conditions with heat index values up to 110.
* WHERE...Upper Plaquemines Parish.
* WHEN...Until 8 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
&&
$$
LAZ034>037-039-046>048-056-070-071-090-091-093>097-MSZ068>071-077-
190615-
/O.NEW.KLIX.HT.Y.0021.260819T1600Z-260820T0100Z/
/O.CON.KLIX.HT.Y.0020.000000T0000Z-260819T0100Z/
Pointe Coupee-West Feliciana-East Feliciana-St. Helena-Washington-
Iberville-West Baton Rouge-East Baton Rouge-Assumption-Lower St.
Bernard-Northern Tangipahoa-Central Plaquemines-Lower Plaquemines-
Coastal Jefferson-Upper Lafourche-Lower Lafourche-Upper
Terrebonne-Lower Terrebonne-Wilkinson-Amite-Pike-Walthall-Pearl
River-
Including the cities of Spillman, Tylertown, Pierre Part, Cocodrie,
Lettsworth, Amite, Braithwaite, Liberty, Dulac, Port Allen, Port
Sulphur, Galliano, Houma, Poplarville, Gloster, Shell Beach,
Woodville, Yscloskey, Buras, Picayune, Wakefield, Franklinton,
Lockport, Gillsburg, Grand Isle, Delacroix, Paincourtville, Wilmer,
Brusly, Darlington, Easleyville, Dolorosa, Livonia, Thibodaux, Enon,
McComb, Crossroads, Plaquemine, Larose, McNeil, Felps, Raceland,
Kentwood, Pointe A La Hache, Jackson, Bogalusa, Baton Rouge, White
Castle, Centreville, Montegut, Roseland, Fort Adams, Alliance,
Leeville,
Labadieville, St. Francisville, Montpelier, Cut Off, Clinton,
Golden Meadow, Bayou Sorrel, Bayou Cane, Chauvin, New Roads,
Smithdale, Addis, Greensburg, Salem, and Dexter
1114 AM CDT Tue Aug 18 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT WEDNESDAY...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
* WHAT...For the first Heat Advisory, heat index values up to 111.
For the second Heat Advisory, heat index values up to 110 expected.
* WHERE...Portions of southeast Louisiana and southern Mississippi.
* WHEN...For the first Heat Advisory, until 8 PM CDT this evening.
For the second Heat Advisory, from 11 AM to 8 PM CDT Wednesday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
HRL
Source:
LIX issues Heat Advisory valid at Aug 19, 11:00 AM CDT for 18 forecast zones in [LA] and 5 forecast zones in [MS] till Aug 19, 8:00 PM CDT---------------
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